The Omron 61F-IND AC110/220 is a High/Low Level controller from the 61F series, designed for conductive liquid level detection. It operates on a 110/220VAC supply and provides two SPDT relay outputs (2 Form C) rated at 3A @ 200VAC. The unit mounts to a DIN rail and terminates via screw terminals, making it a straightforward panel integration for tank-level monitoring in industrial process lines.
The sensitivity range of 0 to 1.8 kOhm determines the conductivity threshold at which the relay trips — set it to match the specific resistivity of your process fluid (condensate, caustic, wastewater). The 1 km maximum distance between controller and electrode head gives you the reach for large tanks or remote sumps without a separate amplifier. Two SPDT relay outputs (3A @ 200VAC) provide independent alarm high and alarm low contacts, plus a level indication feature. This means you get both pump-control logic (fill/empty) and a visual status flag from a single unit, reducing panel wiring.
Deployment Context
The DIN-rail form factor and screw-terminal wiring suit it for installation inside a standard control cabinet.